Family name شويتشي (Shoichi 
, شويتشي) , all over the world, is quite a common cognomen. The last name شويتشي is habitual in Japan, where it is quite a rare surname, Singapore, where it is a rare surname, and Hungary. Not in comparison with a country's population, it is the most numerous in Japan, China, and Indonesia. Very seldom, شويتشي is the forename as well as the last name.